The plot goes as follows:Ling brings a philosophers stone back
to Xing to prove he found the secret to immortality. He has do ths
by makingthe emporer a homunculus. (The emporer is the one they
wanted to ake ahomunculus in the first place. The stone ling took
had a whole part of Father's soul. Givingthis Homunculus the
abilities of all th originals combined. He then proceeded to make 4
more homunculi to serve under him. (There will be 3 more but they
are a suprise.) I will add more as i think of it.